Intro to Function Notation

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

Which value is the input? f(3) = 6

• 3

• 6

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Rewrite in function notation: (3, -2)

• F(-2) = 3

• F(3) = -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Evaluate f(-2) if f(x) = x + 3

• -1

• 1

• 5

• -5

Tags

CCSS.HSF.IF.A.2

Given h(x) = 5 - 9x, find h(8).

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Given h(x) = 4 - 5x, find h(7).

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

If g(x) = 2(-5x +2) + 10, what is the value of g(4)?

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

If g(x) = 6(-8x + 12) + 7, what is the value of g(6)?

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

Fill in the blank: f(___) = 6 

• 1

• -4

• 5

• -2

• 8

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1